Year	Percent
1996-01-01	21.9178
1997-01-01	23.8532
1998-01-01	50.0000
1999-01-01	59.4937
2000-01-01	33.3333
2001-01-01	28.4615
2002-01-01	33.3333
2003-01-01	35.6098
2004-01-01	30.3279
2005-01-01	24.8981
2006-01-01	23.0160
2007-01-01	22.9335
2008-01-01	23.0038
2009-01-01	26.6081
2010-01-01	28.4905
2011-01-01	29.4612
2012-01-01	30.1602
2013-01-01	31.6248
2014-01-01	29.5891